1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++98, c++03, c++11, c++14
10 
11 // <experimental/simd>
12 //
13 // [simd.abi]
14 
15 #include <experimental/simd>
16 #include <cstdint>
17 
18 namespace ex = std::experimental::parallelism_v2;
19 
20 constexpr inline int reg_width() {
21 #if defined(__AVX__)
22   return 32;
23 #else
24   return 16;
25 #endif
26 }
27 
28 #ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
29 
30 static_assert(
31     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 1>>) == 1,
32     "");
33 static_assert(
34     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 2>>) == 2,
35     "");
36 static_assert(
37     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) == 4,
38     "");
39 static_assert(
40     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 12>>) == 16,
41     "");
42 static_assert(
43     sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) ==
44         16,
45     "");
46 static_assert(
47     sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 5>>) ==
48         32,
49     "");
50 static_assert(
51     std::is_same<ex::simd_abi::native<int8_t>,
52                  ex::__simd_abi<ex::_StorageKind::_VecExt, reg_width()>>::value,
53     "");
54 #else
55 static_assert(
56     std::is_same<ex::simd_abi::native<int8_t>,
57                  ex::__simd_abi<ex::_StorageKind::_Array, reg_width()>>::value,
58     "");
59 
60 #endif
61 
62 static_assert(std::is_same<ex::simd_abi::compatible<int8_t>,
63                            ex::__simd_abi<ex::_StorageKind::_Array, 16>>::value,
64               "");
65 
66 int main(int, char**) {
67   return 0;
68 }
69